Comparative Study on the Technological Properties of Latex and Natural Rubber from Hancornia speciosa Gomes and Hevea brasiliensis

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorMalmonge, Jose Antonio
dc.creatorCamillo, Egiane Carla
dc.creatorBiagi Moreno, Rogerio Manoel
dc.creatorCapparelli Mattoso, Luiz Henrique
dc.creatorMcMahan, Colleen Marie
dc.date2014-05-20T13:29:50Z
dc.date2016-10-25T16:49:06Z
dc.date2014-05-20T13:29:50Z
dc.date2016-10-25T16:49:06Z
dc.date2009-03-15
dc.date.accessioned2017-04-05T20:15:13Z
dc.date.available2017-04-05T20:15:13Z
dc.identifierJournal of Applied Polymer Science. Hoboken: John Wiley & Sons Inc, v. 111, n. 6, p. 2986-2991, 2009.
dc.identifier0021-8995
dc.identifierhttp://hdl.handle.net/11449/10111
dc.identifierhttp://acervodigital.unesp.br/handle/11449/10111
dc.identifier10.1002/app.29316
dc.identifierWOS:000262685000040
dc.identifierhttp://dx.doi.org/10.1002/app.29316
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/858100
dc.descriptionThis work reports a systematic comparative study of the technological properties of natural lattices and rubbers extracted from Hancornia speciosa Gomes and Hevea brasiliensis [(Willd. ex Adr. de Juss.) Muell.-Arg.] (clone RRIM 600) trees from 11 collections in Brazil throughout 2004. Natural rubber latex particle sizes and distributions were quite similar with an average diameter around 1 mu m. Molecular weight, Wallace plasticity, and Mooney viscosity values were approximately the same for both rubbers. Fourier transform infrared spectroscopy peaks characteristic of natural rubber were observed for both Hancornia and Hevea. The measured differences in technological properties included lower values for Hancornia dry rubber content, % ash, % nitrogen, and plasticity retention index but higher value for acetone extract. Interestingly, nitrogen and protein content were much lower in Hancornia, suggesting that it may have important applications in nonallergic rubber uses. This represents the first report of lacticifer-produced low-protein natural rubber. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 2986-2991, 2009
dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.languageeng
dc.publisherJohn Wiley & Sons Inc
dc.relationJournal of Applied Polymer Science
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectlatex
dc.subjectnatural rubber
dc.subjectcis-1-4-polyisoprene
dc.subjectHancornia speciosa Gomes
dc.subjectHevea brasiliensis
dc.titleComparative Study on the Technological Properties of Latex and Natural Rubber from Hancornia speciosa Gomes and Hevea brasiliensis
dc.typeOtro


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